package com.itheima.servlet.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

//解决乱码问题的
@WebFilter("/*")
public class EncodingFilter  implements Filter {
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse sponse = (HttpServletResponse) servletResponse;

        request.setCharacterEncoding("UTF-8");
        sponse.setContentType("text/html;charset=UTF-8");
        filterChain.doFilter(request,sponse);

    }
}
